Description: This is the laptop external graphics adapter equipment; it can help you to use the external independent high-performance graphics, can be used to access any of the PCI-E interface equipment, used to enhance the performance of the laptop, so that you can play those huge games requesting high-performance graphics. Upgrade Features: Dual TD compatible switch (hardware conflict resolution) Multistage anti interference circuit Data line reinforcement Multi power automatic switching (support for soft start) High quality imported electronic components Support metal cabinet Double copper technology to enhance system power supply Isolation protection circuit LED status indicator USB interface extension Lateral 6PIN power supply interface Unsupported model: (Partial List) For those unsupported laptop model, we advice the user DO NOT try to use it with our product. NOTE: DONT BUY if you have the following laptops. (N55SF, N75 ACPI, A53XI24 1SV-SL, K43SD, A73S, K53SD, X8dij, A43s, n55sl, k45dr) E530, L430, E43, U410, E49, K49, G50-75M(New Add) H533OM, 6910, 5310M Hasee ui45, EVI4 Haier T68 Acer 4739z Acer E1-451G 450 Specifications: Products type: Laptop PCI-E expansion device Product positioning: Laptop performance upgrade. (PS: Win XP, Win8/8.1 is only compatible with the laptop with external screen) Support for PCI-E X16, actual X1 mode (according to different laptop configuration can be upgraded to X2 mode) Operating system: Windows XP/7/8/8.1, Linux etc. Input interface: Mini PCI-E interface Power input/output interface: Support external DELL power adapter or power; 8P interface: 220W max. DC interface: 5.5x 2.1mm, 150W max, support soft switch function.( cable with no power limit) Extended support: PCI-E X16:DMI GT/s (X1) 5 Other function: CTD switch(Timedelay): 6S PTD switch (Timedelay): 7S, 14S USB:1.0/1.1/2.0 (Remind: Win XP, Win8/8.1 is only compatible with the laptop with external screen) Material: Plastic Color: Black (shown as pictures) PCI-E Adapter Size: 14.43.72.5cm/5.671.460.98inin (Approx.) Mini PCI-E Cable Length: 75cm/29.53in (Approx.) PSU Power Cable Length: 15.3cm/6.02in (Approx.) Quantity: 1 Set (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 X PCI-E Adapter 1 X Mini PCI-E Cable (75cm Length) 1 X PSU Power Cable (15.3cm Length) 1 X User Manual